Which would do maximum harm to tree

What products would cause harm to the body, if they are not removed ?

Which of the following would exert maximum osmotic pressure?

Which of the following would exert maximum osmotic pressure?

Cuscuta and vanda are growing oh a mango tree. Which plant makes harm to the mango tree. Justify your answer

an old trunk of shisham ( Dalbergia sisso) tree would have the maximum amount of